diff options
Diffstat (limited to 'sys/amd64/include/efi.h')
| -rw-r--r-- | sys/amd64/include/efi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/amd64/include/efi.h b/sys/amd64/include/efi.h index 272d5a8..a0a39b4 100644 --- a/sys/amd64/include/efi.h +++ b/sys/amd64/include/efi.h @@ -36,8 +36,14 @@ * XXX: from gcc 6.2 manual: * Note, the ms_abi attribute for Microsoft Windows 64-bit targets * currently requires the -maccumulate-outgoing-args option. + * + * Avoid EFIABI_ATTR declarations for compilers that don't support it. + * GCC support began in version 4.4. */ +#if defined(__clang__) || defined(__GNUC__) && \ + (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4) #define EFIABI_ATTR __attribute__((ms_abi)) +#endif #ifdef _KERNEL struct uuid; |
